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Fair value of financial instruments | 12 Months Ended
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Dec. 31, 2020
Fair Value Disclosures [Abstract] |
Fair value of financial instruments | Fair value of financial instruments:FASB ASC 820-10 defines fair value as the exchange price that would be received for an asset or paid to transfer a liability (exit price) in the principal or most advantageous market for the asset or liability in an orderly transaction between market participants on the measurement date. ASC 820-10 also establishes a framework for measuring the fair value of assets and liabilities according to a hierarchy that prioritizes the inputs to valuation techniques used to measure fair value into three broad levels. The fair value hierarchy gives the highest priority to quoted prices in active markets for identical assets and liabilities (Level 1) and the lowest priority to unobservable inputs (Level 3). The hierarchy maximizes the use of observable inputs and minimizes the use of unobservable inputs by requiring that the most observable inputs be used when available. Observable inputs are inputs that market participants would use in pricing the asset or liability based on market data obtained from sources independent of the Company. Unobservable inputs are inputs that are derived from assumptions based on management’s estimate of assumptions that market participants would use in pricing the asset or liability based on the best information available under the circumstances. The hierarchy is broken down into the following three levels, based on the reliability of inputs: Level 1: Unadjusted quoted prices in active markets for identical assets or liabilities that are accessible at the measurement date. Level 2: Significant other observable inputs other than Level 1 prices, such as quoted prices for similar assets or liabilities, quoted prices in markets that are not active or other inputs that are observable or can be corroborated by observable market data. Level 3: Significant unobservable inputs for assets or liabilities that are derived from assumptions based on management’s estimate of assumptions that market participants would use in pricing the assets or liabilities. The Company records the fair values of financial assets and liabilities on a recurring and non-recurring basis using the following methods and assumptions: Investment securities-Investment securities are recorded at fair value on a recurring basis. Fair values for securities are based on quoted market prices, where available. If quoted prices are not available, fair values are based on quoted market prices of similar instruments or are determined by matrix pricing, which is a mathematical technique widely used in the industry to value debt securities without relying exclusively on quoted prices for the specific securities but rather by relying on the pricing relationship or correlation among other benchmark quoted securities. Investment securities valued using quoted market prices of similar instruments or that are valued using matrix pricing are classified as Level 2. When significant inputs to the valuation are unobservable, the available-for-sale securities are classified within Level 3 of the fair value hierarchy. Where no active market exists for a security or other benchmark securities, fair value is estimated by the Company with reference to discount margins for other high-risk securities. Loans held for sale-Loans held for sale are carried at fair value. Fair value is determined using current secondary market prices for loans with similar characteristics, that is, using Level 2 inputs. Derivatives-The fair value of the interest rate swaps are based upon fair values provided from entities that engage in interest rate swap activity and is based upon projected future cash flows and interest rates. Fair value of commitments is based on fees currently charged to enter into similar agreements, and for fixed-rate commitments, the difference between current levels of interest rates and the committed rates is also considered. These financial instruments are classified as Level 2. Other real estate owned (“OREO”)-OREO is comprised of commercial and residential real estate obtained in partial or total satisfaction of loan obligations and excess land and facilities held for sale. OREO acquired in settlement of indebtedness is recorded at the lower of the carrying amount of the loan or the fair value of the real estate less costs to sell. Fair value is determined on a nonrecurring basis based on appraisals by qualified licensed appraisers and is adjusted for management’s estimates of costs to sell and holding period discounts. The valuations are classified as Level 3. Mortgage servicing rights ("MSRs")-MSRs are carried at fair value. Fair value is determined using an income approach with various assumptions including expected cash flows, market discount rates, prepayment speeds, servicing costs, and other factors. As such, mortgage servicing rights are considered Level 3. Collateral dependent loans (Impaired loans prior to the adoption of ASC 326)-loans for which, based on current information and events, the Company has determined foreclosure of the collateral is probable, or where the borrower is experiencing financial difficulty and the Company expects repayment of the loan to be provided substantially through the operation or sale of the collateral and it is probable that the creditor will be unable to collect all amounts due according to the contractual terms of the loan agreement. Collateral dependent loans are classified as Level 3. The following table contains the estimated fair values and the related carrying values of the Company's financial instruments. Items which are not financial instruments are not included.
|  | Fair Value
December 31, 2020 |  | Carrying amount |  | Level 1 |  | Level 2 |  | Level 3 |  | Total
Financial assets: |  |  |  |  |  |  |  |  |  |
Cash and cash equivalents |  | $ | 1,317,898 |  |  | $ | 1,317,898 |  |  | $ | — |  |  | $ | — |  |  | $ | 1,317,898 |
Investment securities |  | 1,176,991 |  |  | — |  |  | 1,176,991 |  |  | — |  |  | 1,176,991 |
Loans, net |  | 6,912,570 |  |  | — |  |  | — |  |  | 7,058,693 |  |  | 7,058,693 |
Loans held for sale |  | 899,173 |  |  | — |  |  | 683,770 |  |  | 215,403 |  |  | 899,173 |
Interest receivable |  | 43,603 |  |  | 33 |  |  | 5,254 |  |  | 38,316 |  |  | 43,603 |
Mortgage servicing rights |  | 79,997 |  |  | — |  |  | — |  |  | 79,997 |  |  | 79,997 |
Derivatives |  | 68,938 |  |  | — |  |  | 68,938 |  |  | — |  |  | 68,938 |
Financial liabilities: |  |  |  |  |  |  |  |  |  |
Deposits: |  |  |  |  |  |  |  |  |  |
Without stated maturities |  | $ | 8,020,783 |  |  | $ | 8,020,783 |  |  | $ | — |  |  | $ | — |  |  | $ | 8,020,783 |
With stated maturities |  | 1,437,254 |  |  | — |  |  | 1,446,605 |  |  | — |  |  | 1,446,605 |
Securities sold under agreement to repurchase and federal funds sold |  | 32,199 |  |  | 32,199 |  |  | — |  |  | — |  |  | 32,199 |
Subordinated debt |  | 189,527 |  |  | — |  |  | — |  |  | 192,149 |  |  | 192,149 |
Other borrowings |  | 16,598 |  |  | — |  |  | 16,598 |  |  | — |  |  | 16,598 |
Interest payable |  | 6,772 |  |  | 327 |  |  | 4,210 |  |  | 2,235 |  |  | 6,772 |
Derivatives |  | 48,242 |  |  | — |  |  | 48,242 |  |  | — |  |  | 48,242 |
|  | Fair Value
December 31, 2019 |  | Carrying amount |  | Level 1 |  | Level 2 |  | Level 3 |  | Total
Financial assets: |  |  |  |  |  |  |  |  |  |
Cash and cash equivalents |  | $ | 232,681 |  |  | $ | 232,681 |  |  | $ | — |  |  | $ | — |  |  | $ | 232,681 |
Investment securities |  | 691,676 |  |  | — |  |  | 691,676 |  |  | — |  |  | 691,676 |
Loans, net |  | 4,378,503 |  |  | — |  |  | — |  |  | 4,363,903 |  |  | 4,363,903 |
Loans held for sale |  | 262,518 |  |  | — |  |  | 262,518 |  |  | — |  |  | 262,518 |
Interest receivable |  | 17,083 |  |  | — |  |  | 3,282 |  |  | 13,801 |  |  | 17,083 |
Mortgage servicing rights |  | 75,521 |  |  | — |  |  | — |  |  | 75,521 |  |  | 75,521 |
Derivatives |  | 21,981 |  |  | — |  |  | 21,981 |  |  | — |  |  | 21,981 |
Financial liabilities: |  |  |  |  |  |  |  |  |  |
Deposits: |  |  |  |  |  |  |  |  |  |
Without stated maturities |  | $ | 3,743,085 |  |  | $ | 3,743,085 |  |  | $ | — |  |  | $ | — |  |  | $ | 3,743,085 |
With stated maturities |  | 1,191,853 |  |  | — |  |  | 1,200,145 |  |  | — |  |  | 1,200,145 |
Securities sold under agreement to repurchase and federal funds sold |  | 23,745 |  |  | 23,745 |  |  | — |  |  | — |  |  | 23,745 |
Federal Home Loan Bank advances |  | 250,000 |  |  | — |  |  | 250,213 |  |  | — |  |  | 250,213 |
Subordinated debt |  | 30,930 |  |  | — |  |  | 29,706 |  |  | — |  |  | 29,706 |
Interest payable |  | 6,465 |  |  | 376 |  |  | 6,089 |  |  | — |  |  | 6,465 |
Derivatives |  | 17,933 |  |  | — |  |  | 17,933 |  |  | — |  |  | 17,933 |
The balances and levels of the assets measured at fair value on a recurring basis at December 31, 2020 are presented in the following table:
December 31, 2020 |  | Quoted prices in active markets for identical assets (liabilities) (level 1) |  | Significant other observable inputs (level 2) |  | Significant unobservable inputs (level 3) |  | Total
Recurring valuations: |  |  |  |  |  |  |  |
Financial assets: |  |  |  |  |  |  |  |
Available-for-sale securities: |  |  |  |  |  |  |  |
U.S. government agency securities |  | $ | — |  |  | $ | 2,003 |  |  | $ | — |  |  | $ | 2,003 |
Mortgage-backed securities - residential |  | — |  |  | 773,336 |  |  | — |  |  | 773,336 |
Mortgage-backed securities - commercial |  | — |  |  | 21,588 |  |  | — |  |  | 21,588 |
Municipals, tax-exempt |  | — |  |  | 356,329 |  |  | — |  |  | 356,329 |
Treasury securities |  | — |  |  | 16,628 |  |  | — |  |  | 16,628 |
Corporate securities |  | — |  |  | 2,516 |  |  | — |  |  | 2,516 |
Equity securities |  | — |  |  | 4,591 |  |  | — |  |  | 4,591 |
Total |  | $ | — |  |  | $ | 1,176,991 |  |  | $ | — |  |  | $ | 1,176,991 |
Loans held for sale |  | $ | — |  |  | $ | 683,770 |  |  | $ | 215,403 |  |  | $ | 899,173 |
Mortgage servicing rights |  | — |  |  | — |  |  | 79,997 |  |  | 79,997 |
Derivatives |  | — |  |  | 68,938 |  |  | — |  |  | 68,938 |
Financial Liabilities: |  |  |  |  |  |  |  |
Derivatives |  | — |  |  | 48,242 |  |  | — |  |  | 48,242 |
The balances and levels of the assets measured at fair value on a non-recurring basis at December 31, 2020 are presented in the following table:
At December 31, 2020 |  | Quoted prices in active markets for identical assets (liabilities (level 1) |  | Significant other observable inputs (level 2) |  | Significant unobservable inputs (level 3) |  | Total |  |  |  |
Non-recurring valuations: |  |  |  |  |  |  |  |  |  |  |  |
Financial assets: |  |  |  |  |  |  |  |  |  |  |  |
Other real estate owned |  | $ | — |  |  | $ | — |  |  | $ | 6,662 |  |  | $ | 6,662 |  |  |  |  |
Collateral dependent loans: |  |  |  |  |  |  |  |  |  |  |  |
Commercial and industrial |  | $ | — |  |  | $ | — |  |  | $ | 1,728 |  |  | $ | 1,728 |  |  |  |  |
Construction |  | — |  |  | — |  |  | 3,877 |  |  | 3,877 |  |  |  |  |
Residential real estate: |  |  |  |  |  |  |  |  |  |  |  |
1-4 family mortgage |  | — |  |  | — |  |  | 226 |  |  | 226 |  |  |  |  |
Residential line of credit |  | — |  |  | — |  |  | 1,174 |  |  | 1,174 |  |  |  |  |
Commercial real estate: |  |  |  |  |  |  |  |  |  |  |  |
Non-owner occupied |  | — |  |  | — |  |  | 3,391 |  |  | 3,391 |  |  |  |  |
Consumer and other |  | — |  |  | — |  |  | 8,164 |  |  | 8,164 |  |  |  |  |
Total collateral dependent loans |  | $ | — |  |  | $ | — |  |  | $ | 18,560 |  |  | $ | 18,560 |  |  |  |  |
The balances and levels of the assets measured at fair value on a recurring basis at December 31, 2019 are presented in the following table:
At December 31, 2019 |  | Quoted prices in active markets for identical assets (liabilities) (level 1) |  | Significant other observable inputs (level 2) |  | Significant unobservable inputs (level 3) |  | Total
Recurring valuations: |  |  |  |  |  |  |  |
Financial assets: |  |  |  |  |  |  |  |
Available-for-sale securities: |  |  |  |  |  |  |  |
Mortgage-backed securities - residential |  | $ | — |  |  | $ | 477,312 |  |  | $ | — |  |  | $ | 477,312 |
Mortgage-backed securities - commercial |  | — |  |  | 13,364 |  |  | — |  |  | 13,364 |
Municipals, tax-exempt |  | — |  |  | 189,235 |  |  | — |  |  | 189,235 |
Treasury securities |  | — |  |  | 7,448 |  |  | — |  |  | 7,448 |
Corporate securities |  | — |  |  | 1,022 |  |  | — |  |  | 1,022 |
Equity securities |  | — |  |  | 3,295 |  |  | — |  |  | 3,295 |
Total |  | $ | — |  |  | $ | 691,676 |  |  | $ | — |  |  | $ | 691,676 |
Loans held for sale |  | $ | — |  |  | $ | 262,518 |  |  | $ | — |  |  | $ | 262,518 |
Mortgage servicing rights |  | — |  |  | — |  |  | 75,521 |  |  | 75,521 |
Derivatives |  | — |  |  | 21,981 |  |  | — |  |  | 21,981 |
Financial Liabilities: |  |  |  |  |  |  |  |
Derivatives |  | — |  |  | 17,933 |  |  | — |  |  | 17,933 |
The balances and levels of the assets measured at fair value on a non-recurring basis at December 31, 2019 are presented in the following table:
At December 31, 2019 |  | Quoted prices in active markets for identical assets (liabilities) (level 1) |  | Significant other observable inputs (level 2) |  | Significant unobservable inputs (level 3) |  | Total
Non-recurring valuations: |  |  |  |  |  |  |  |
Financial assets: |  |  |  |  |  |  |  |
Other real estate owned |  | $ | — |  |  | $ | — |  |  | $ | 9,774 |  |  | $ | 9,774 |
Impaired Loans (1): |  |  |  |  |  |  |  |
Commercial and industrial |  | $ | — |  |  | $ | — |  |  | $ | 6,481 |  |  | $ | 6,481 |
Residential real estate: |  |  |  |  |  |  |  |
1-4 family mortgage |  | — |  |  | — |  |  | 378 |  |  | 378 |
Residential line of credit |  | — |  |  | — |  |  | 321 |  |  | 321 |
Commercial real estate: |  |  |  |  |  |  |  |
Owner occupied |  | — |  |  | — |  |  | 951 |  |  | 951 |
Non-owner occupied |  | — |  |  | — |  |  | 2,560 |  |  | 2,560 |
Total |  | $ | — |  |  | $ | — |  |  | $ | 10,691 |  |  | $ | 10,691 |
(1) Includes both impaired non-purchased loans and collateral-dependent PCI loans. The following table presents information as of December 31, 2020 about significant unobservable inputs (Level 3) used in the valuation of assets measured at fair value on a nonrecurring basis:
Financial instrument |  | Fair Value |  | Valuation technique |  | Significant Unobservable inputs |  | Range of inputs |
Collateral dependent loans |  | $ | 18,560 |  |  | Valuation of collateral |  | Discount for comparable sales |  | 0%-30% |
Other real estate owned |  | $ | 6,662 |  |  | Appraised value of property less costs to sell |  | Discount for costs to sell |  | 0%-15% |
The following table presents information as of December 31, 2019 about significant unobservable inputs (Level 3) used in the valuation of assets measured at fair value on a nonrecurring basis:
Financial instrument |  | Fair Value |  | Valuation technique |  | Significant Unobservable inputs |  | Range of inputs |
Impaired loans (1) |  | $ | 10,691 |  |  | Valuation of collateral |  | Discount for comparable sales |  | 0%-30% |
Other real estate owned |  | $ | 9,774 |  |  | Appraised value of property less costs to sell |  | Discount for costs to sell |  | 0%-15% |
(1) Includes both impaired non-purchased loans and collateral-dependent PCI loans. For collateral dependent loans, the ACL is measured based on the difference between the fair value of the collateral and the amortized cost basis of the loan as of the measurement date. Fair value of the loan's collateral is determined by third-party appraisals, which are then adjusted for the estimated selling and closing costs related to liquidation of of the collateral. Collateral dependent loans are reviewed and evaluated on at least a quarterly basis for additional impairment and adjusted accordingly, based on changes in market conditions from the time of valuation and management's knowledge of the client and client's business. Other real estate owned acquired in settlement of indebtedness is recorded at fair value of the real estate less estimated costs to sell. Subsequently, it may be necessary to record nonrecurring fair value adjustments for declines in fair value. Any write-downs based on the asset's fair value at the date of foreclosure are charged to the allowance for credit losses. Appraisals for both collateral dependent loans and other real estate owned are performed by certified general appraisers (for commercial properties) or certified residential appraisers (for residential properties) whose qualifications and licenses have been reviewed and verified by the Company. Once received, a member of the lending administrative department reviews the assumptions and approaches utilized in the appraisal as well as the overall resulting fair value in comparison with independent data sources such as recent market data or industry wide statistics. Fair value option The Company measures mortgage loans originated for sale at fair value under the fair value option as permitted under ASC 825. Electing to measure these assets at fair value reduces certain timing differences and more accurately matches the changes in fair value of the loans with changes in the fair value of derivative instruments used to economically hedge them. Net gains of $24,233 resulting from fair value changes of mortgage loans were recorded in income during the year ended December 31, 2020, compared to net losses of $2,861 during the year ended December 31, 2019, respectively. The amount does not reflect changes in fair values of related derivative instruments used to hedge exposure to market-related risks associated with these mortgage loans. The change in fair value of both loans held for sale and the related derivative instruments are recorded in Mortgage Banking Income in the consolidated statements of income. Election of the fair value option allows the Company to reduce the accounting volatility that would otherwise result from the asymmetry created by accounting for the financial instruments at the lower of cost or fair value and the derivatives at fair value. As of December 31, 2020, and 2019, there were $151,184 and $51,705, respectively, of GNMA loans previously sold that the Company did not record on its consolidated balance sheets as the Company determined there not to be a more-than-trivial benefit based on an analysis of interest rates and an assessment of potential reputational risk associated with these loans. The Company’s valuation of loans held for sale incorporates an assumption for credit risk; however, given the short-term period that the Company holds these loans, valuation adjustments attributable to instrument-specific credit risk is nominal. Interest income on loans held for sale measured at fair value is accrued as it is earned based on contractual rates and is reflected in loan interest income in the consolidated statements of income. The following table summarizes the differences between the fair value and the principal balance for loans held for sale and nonaccrual loans measured at fair value as of December 31, 2020 and 2019:
December 31, 2020 |  | Aggregate fair value |  | Aggregate Unpaid Principal Balance |  | Difference
Mortgage loans held for sale measured at fair value |  | $ | 683,770 |  |  | $ | 651,887 |  |  | $ | 31,883 |
Commercial loans held for sale measured at fair value |  | 208,914 |  |  | 226,867 |  |  | (17,953) |
Past due loans of 90 days or more |  | 83 |  |  | 163 |  |  | (80) |
Nonaccrual loans |  | 6,406 |  |  | 12,033 |  |  | (5,627) |
December 31, 2019 |  |  |  |  |  |
Mortgage loans held for sale measured at fair value |  | $ | 262,518 |  |  | $ | 254,868 |  |  | $ | 7,650 |
Past due loans of 90 days or more |  | — |  |  | — |  |  | — |
Nonaccrual loans |  | — |  |  | — |  |  | — |

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- Definition The entire disclosure for the fair value of financial instruments (as defined), including financial assets and financial liabilities (collectively, as defined), and the measurements of those instruments as well as disclosures related to the fair value of non-financial assets and liabilities. Such disclosures about the financial instruments, assets, and liabilities would include: (1) the fair value of the required items together with their carrying amounts (as appropriate); (2) for items for which it is not practicable to estimate fair value, disclosure would include: (a) information pertinent to estimating fair value (including, carrying amount, effective interest rate, and maturity, and (b) the reasons why it is not practicable to estimate fair value; (3) significant concentrations of credit risk including: (a) information about the activity, region, or economic characteristics identifying a concentration, (b) the maximum amount of loss the entity is exposed to based on the gross fair value of the related item, (c) policy for requiring collateral or other security and information as to accessing such collateral or security, and (d) the nature and brief description of such collateral or security; (4) quantitative information about market risks and how such risks are managed; (5) for items measured on both a recurring and nonrecurring basis information regarding the inputs used to develop the fair value measurement; and (6) for items presented in the financial statement for which fair value measurement is elected: (a) information necessary to understand the reasons for the election, (b) discussion of the effect of fair value changes on earnings, (c) a description of [similar groups] items for which the election is made and the relation thereof to the balance sheet, the aggregate carrying value of items included in the balance sheet that are not eligible for the election; (7) all other required (as defined) and desired information. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258 + Details
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